In this political climate, saying that people in the US should speak English to help communication is not very intelligent. I'm kinda okay with a not very intelligent professor being removed from duty :P
If the table of contents was dozens of pages long and you did it just so your clients could stop using the copyrighted book, I think they would have a case.
>Thanks to moderation, when I open news.ycombinator.com right now, I’m pleased to see interesting new posts about C, Chopin, and concurrency; and no new posts about fake news, anti-vaxxers, or Flat Earth.
We only like strong moderation when it enforces our biases and political leanings.